eMarketer's definition of the sharing economy includes community-based online services that coordinate property, goods and services. It excludes crowdsourcing, group buying, incorporated professional services and online marketplaces like eBay.
For the first time, eMarketer's forecast includes estimates for two of the most popular sharing economy services: Airbnb and Uber.
This year, 16.9% of US adult internet users are expected to use their Airbnb account at least once, equating to 36.8 million people.
By comparison, 20.4% of US adult internet users, or 44.4 million people, will book a ride on their Uber account at least once this year. Among adult smartphone users, that figure will rise to 22.7%.
However, as consumers become more comfortable with the sharing economy, the number of users will rise rapidly. Airbnb and Uber will be the biggest drivers of growth, though other sharing economy services will also gain users. This is especially true of the sharing transportation sector, where alternative services like Lyft already have notable traction.
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